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Beta spectroscopy

Beta spectroscopy

Item no.: P2523200
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The radiation of β-unstable atomic nuclei is selected on the basis of its pulses in a magnetic transverse field, using a diaphragm system. The relationship between coil current and particle energy is determined for calibration of the spectrometer and the decay energy of the β-transition is obtained in each case from the β--spectra.


  1. Energy calibration of the magnetic spectrometer.
  2. Measurement of the β-spectra of 90Sr and 20Na.
  3. Determination of the decay energy of the two isotopes.

What you can learn about

  • β--decay
  • β+-decay
  • Electron capture
  • Neutrino
  • Positron
  • Decay diagram
  • Decay energy
  • Resting energy
  • Relativistic Lorentz equation

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